initial

include/forward/routetable.h

@@ -0,0 +1,30 @@
+#ifndef ROUTETABLE_H
+#define ROUTETABLE_H
+
+#include <stdint.h>
+#include <libart/art.h>
+
+typedef struct {
+    uint32_t destination;
+    uint32_t mask;
+    uint32_t nextHop;
+} route_table_v4_entry_t;
+
+typedef struct {
+    __uint128_t destination;
+    __uint128_t mask;
+    __uint128_t nextHop;
+} route_table_v6_entry_t;
+
+// General rule: 0 = success, -1 = failure (Note: per-function return values may vary, will be documented in the .c file)
+int RouteTable_Init(void);
+void RouteTable_Cleanup(void);
+
+int RouteTable_AddRoute_v4(uint32_t destination, uint32_t mask, uint32_t nextHop);
+int RouteTable_AddRoute_v6(__uint128_t destination, __uint128_t mask, __uint128_t nextHop);
+
+// GetNextHop performs longest prefix match; writes best matching next hop into *nextHop
+int RouteTable_GetNextHop_v4(uint32_t destination, uint32_t* nextHop);
+int RouteTable_GetNextHop_v6(__uint128_t destination, __uint128_t* nextHop);
+
+#endif